ci(push): include POSTHOG_KEY environment in frontend (#5327)

Signed-off-by: Prashant Shahi <[email protected]>

.github/workflows/push.yaml

@@ -158,6 +158,7 @@ jobs:
  echo 'SENTRY_DSN="${{ secrets.SENTRY_DSN }}"' >> frontend/.env
  echo 'TUNNEL_URL="${{ secrets.TUNNEL_URL }}"' >> frontend/.env
  echo 'TUNNEL_DOMAIN="${{ secrets.TUNNEL_DOMAIN }}"' >> frontend/.env
+ echo 'POSTHOG_KEY="${{ secrets.POSTHOG_KEY }}"' >> frontend/.env
  - name: Install dependencies
  working-directory: frontend
  run: yarn install